Over time, organisms change. Sometimes they change so much that descendants may be completely different from their ancestors. What must happen for this process to occur?
Responses
A mutations in egg and/or spermmutations in egg and/or sperm
B no chance for mutations in sex cellsno chance for mutations in sex cells
C organisms die before they have a chance to reproduceorganisms die before they have a chance to reproduce
D traits acquired during an organism's lifetime is passed on to offspringtraits acquired during an organism's lifetime is passed on to offspring